9998386.00000000

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 32810400

約数和(自身を除く): 19023680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 433, 796, 866, 995, 1592, 1732, 1990, 2165, 3184, 3464, 3980, 4330, 6368, 6928, 7960, 8660, 13856, 15920, 17320, 31840, 34640, 69280, 86167, 172334, 344668, 430835, 689336, 861670, 1378672, 1723340, 2757344, 3446680, 6893360, 13786720]

約数ペア:

[(1, 13786720), (2, 6893360), (4, 3446680), (5, 2757344), (8, 1723340), (10, 1378672), (16, 861670), (20, 689336), (32, 430835), (40, 344668), (80, 172334), (160, 86167), (199, 69280), (398, 34640), (433, 31840), (796, 17320), (866, 15920), (995, 13856), (1592, 8660), (1732, 7960), (1990, 6928), (2165, 6368), (3184, 4330), (3464, 3980)]